Products Solutions Services
Operating Instructions
Solitrend MMP42
Material moisture measurement
BA01944M/00/EN/04.23-00
71624875
2023-08-04
Solitrend MMP42
2 Endress+Hauser
Order code:
Ext. ord. cd.:
Ser. no.:
www.endress.com/deviceviewer Endress+Hauser
Operations App
XXXXXXXXXXXX
XXXXX-XXXXXX
XXX.XXXX.XX
Serial number
1.
3.
2.
A0023555
Solitrend MMP42 Table of contents
Endress+Hauser 3
Table of contents
1 About this document ................ 4
1.1 Purpose of this document ................. 4
1.2 Symbols .............................. 4
1.3 Terms and abbreviations ................. 4
1.4 Documentation ........................ 5
2 Basic safety instructions ............ 6
2.1 Requirements for personnel ............... 6
2.2 Intended use .......................... 6
2.3 Workplace safety ....................... 7
2.4 Operational safety ...................... 7
2.5 Product safety ......................... 7
3 Product description ................. 8
3.1 Product design ......................... 8
4 Incoming acceptance and product
identification ....................... 9
4.1 Incoming acceptance .................... 9
4.2 Product identification .................... 9
4.3 Manufacturer's address .................. 9
4.4 Storage, transport ...................... 9
5 Mounting ......................... 10
5.1 Mounting requirements ................. 10
5.2 Round sensor, short/middle .............. 10
5.3 Rectangular sensor .................... 11
5.4 ATEX electronics housing ................ 12
5.5 Protection of sensor connector against
abrasion ............................ 13
5.6 Mounting the housing with the remote
electronics module ..................... 13
5.7 Post-mounting check ................... 14
6 Electrical connection .............. 15
6.1 Connecting requirements ................ 15
6.2 Connecting the measuring device .......... 15
6.3 Post-connection check .................. 19
7 Operating options ................. 20
8 Commissioning .................... 21
8.1 Analog outputs for measured value output ... 21
8.2 Operating mode ....................... 22
8.3 Calibration curve set B for grain ........... 23
8.4 Settings ............................. 24
8.5 Special functions ...................... 24
9 Diagnostics and troubleshooting ... 26
9.1 Optimizing the material flow ............. 26
9.2 Difference between measured moisture value
and laboratory value too large during initial
commissioning ....................... 26
10 Maintenance ...................... 28
10.1 Exterior cleaning ...................... 28
11 Repair ............................ 29
11.1 General information ................... 29
11.2 Return .............................. 29
11.3 Disposal ............................ 29
12 Accessories ....................... 30
12.1 Device-specific accessories ............... 30
13 Technical data .................... 32
13.1 Input ............................... 32
13.2 Output ............................. 32
13.3 Performance characteristics .............. 33
13.4 Environment ......................... 33
13.5 Process ............................. 34
About this document Solitrend MMP42
4 Endress+Hauser
1 About this document
1.1 Purpose of this document
These Operating Instructions contain all the information that is required in the various
phases of the life cycle of the device: from product identification, incoming acceptance and
storage, to mounting, connection, operation and commissioning through to
troubleshooting, maintenance and disposal.
1.2 Symbols
1.2.1 Safety symbols
DANGER
This symbol alerts you to a dangerous situation. Failure to avoid this situation will result in
serious or fatal injury.
WARNING
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
serious or fatal injury.
CAUTION
This symbol alerts you to a dangerous situation. Failure to avoid this situation can result in
minor or medium injury.
NOTICE
This symbol contains information on procedures and other facts which do not result in
personal injury.
1.2.2 Symbols for certain types of information and graphics
Tip
Indicates additional information
Reference to documentation
Reference to graphic
Notice or individual step to be observed
1.
,
2.
,
3.
Series of steps
Result of a step
1, 2, 3, ...
Item numbers
A, B, C, ...
Views
1.3 Terms and abbreviations
PLC
Programmable logic controller (PLC)
Solitrend MMP42 About this document
Endress+Hauser 5
1.4 Documentation
The following document types are available in the Downloads area of the Endress+Hauser
website (www.endress.com/downloads):
For an overview of the scope of the associated Technical Documentation, refer to the
following:
•Device Viewer (www.endress.com/deviceviewer): Enter the serial number from the
nameplate
•Endress+Hauser Operations app: Enter serial number from nameplate or scan
matrix code on nameplate.
Basic safety instructions Solitrend MMP42
6 Endress+Hauser
2 Basic safety instructions
2.1 Requirements for personnel
The personnel for installation, commissioning, diagnostics and maintenance must fulfill
the following requirements:
‣Trained, qualified specialists must have a relevant qualification for this specific function
and task.
‣Personnel must be authorized by the plant owner/operator.
‣Be familiar with federal/national regulations.
‣Before starting work: personnel must read and understand the instructions in the
manual and supplementary documentation as well as the certificates (depending on
the application).
‣Personnel must follow instructions and comply with general policies.
The operating personnel must fulfill the following requirements:
‣Personnel are instructed and authorized according to the requirements of the task by
the facility's owner-operator.
‣Personnel follow the instructions in this manual.
2.2 Intended use
Application and media
The device described in this manual is intended for the continuous moisture measurement
of a wide variety of materials. Because of its operating frequency of approx. 1 GHz the
device can also be used outside of closed metal vessels.
If operated outside of closed vessels, the device must be mounted in accordance with the
instructions in the Mounting section. The operation of the devices does not present any
health risk. If the limit values specified in the Technical data and the conditions listed in
the instructions and additional documentation are observed, the measuring device may be
used for the following measurements only:
• Measured process variables: material moisture, material conductivity and material
temperature
To ensure that the device remains in proper condition throughout the operating period:
‣Use the device only for media to which the process-wetted materials are sufficiently
resistant.
‣Observe the limit values in the "Technical data".
Incorrect use
The manufacturer is not liable for damage caused by improper or non-intended use.
Clarification of borderline cases:
‣With regard to special fluids and media used for cleaning, the manufacturer is glad to
assist in clarifying the corrosion resistance of materials in contact with the fluid, but
does not accept any warranty or liability.
Residual risks
Due to the transfer of heat from the process and power dissipation within the electronics,
the temperature of the electronics housing and the assemblies contained therein may
increase to up to 70 °C (158 °F) during operation. The device may reach a temperature
close to the medium temperature during operation.
Danger of burns from contact with surfaces!
‣In the event of high medium temperatures, ensure protection against contact to
prevent burns.
Solitrend MMP42 Basic safety instructions
Endress+Hauser 7
2.3 Workplace safety
For work on and with the device:
‣Wear the required personal protective equipment according to federal/national
regulations.
2.4 Operational safety
Risk of injury!
‣Operate the device only if it is in proper technical condition, free from errors and faults.
‣The operator is responsible for the interference-free operation of the device.
Modifications to the device
Unauthorized modifications to the device are not permitted and can lead to unforeseeable
dangers:
‣If modifications are nevertheless required, consult with the manufacturer.
Repair
To ensure continued operational safety and reliability:
‣Carry out repairs on the device only if they are expressly permitted.
‣Observe federal/national regulations pertaining to the repair of an electrical device.
‣Use only original spare parts and accessories from the manufacturer.
Hazardous area
To eliminate danger to persons or the installation when the device is used in the
hazardous area (e.g. explosion protection, pressure vessel safety):
‣Check the nameplate to verify whether the ordered device can be put to its intended
use in the hazardous area.
‣Observe the specifications in the separate supplementary documentation, which is an
integral part of this manual.
2.5 Product safety
This device is designed in accordance with good engineering practice to meet state-of-the-
art safety requirements, has been tested, and left the factory in a condition in which it is
safe to operate.
It meets the general safety standards and legal requirements. It also complies with the EU
directives listed in the device-specific EU Declaration of Conformity. The manufacturer
confirms this by affixing the CE mark to the device.
Product description Solitrend MMP42
8 Endress+Hauser
3 Product description
TDR material moisture sensors for measuring bulk solids and media with material
densities of 0.3 to 1.0 kg/dm3 and conductivity values up to 2 mS/cm.
3.1 Product design
1
2
3
1
2
3
1
2
3
A0040209
1 Product design
1 Measuring cell; wave guide (1.4301) + ceramic (aluminum oxide)
2 Sensor plate
3 Housing
3.1.1 ATEX version
12
A0053310
2 Rectangular sensor, ATEX version
1 ATEX electronics housing
2 Rectangular sensor
3.1.2 Sensor temperature range up to 120 °C (248 °F)
In the case of the order option "Sensor temperature range up to 120 °C (248 °F)", the
electronics module is always located in a separate housing and is connected using the HF
cable that is permanently connected to the sensor (round sensor, middle version or
rectangular sensor).
123
A0044424
1 Electronics housing
2 Round sensor, middle with HF cable 2.5 m (8.2 ft)
3 Rectangular sensor with HF cable 2.5 m (8.2 ft)
Solitrend MMP42 Incoming acceptance and product identification
Endress+Hauser 9
4 Incoming acceptance and product
identification
4.1 Incoming acceptance
Check the following during incoming acceptance:
Are the order codes on the delivery note and the product sticker identical?
Are the goods undamaged?
Do the nameplate data match the ordering information on the delivery note?
If required (see nameplate): Are the safety instructions (XA) provided?
If one of these conditions is not met, please contact the manufacturer's sales office.
4.2 Product identification
The following options are available for identification of the device:
• Nameplate specifications
• Extended order code with breakdown of the device features on the delivery note
‣Enter serial number from nameplates in W@M Device Viewer
(www.endress.com/deviceviewer)
All of the information on the measuring device and on the scope of the technical
documentation pertaining to the device is displayed.
‣Enter the serial number from the nameplate into the Endress+Hauser Operations App
or scan the 2-D matrix code on the nameplate.
All of the information on the measuring device and on the scope of the technical
documentation pertaining to the device is displayed.
4.3 Manufacturer's address
Endress+Hauser SE+Co. KG
Hauptstraße 1
79689 Maulburg, Germany
4.4 Storage, transport
4.4.1 Storage conditions
• Permitted storage temperature: –40 to +70 °C (–40 to +158 °F)
• Use original packaging.
4.4.2 Transporting the product to the measuring point
Transport the device to the measuring point in the original packaging.
Mounting Solitrend MMP42
10 Endress+Hauser
5 Mounting
5.1 Mounting requirements
• The device must be installed at a point in the process in such a way that ensures a
constant bulk density, as the bulk density directly affects the calculation of the water
content. Where necessary, a bypass should be created or structural measures may be
needed at the place of installation to ensure that the material flow, and therefore the
bulk density, over the measurement surface is constant.
• The measuring field of the device must be completely covered by material and the
material height must exceed the minimum layer of material covering on the
measurement surface (depends on the device type and moisture).
• The flow of material over the measurement surface must be continuous. With the
software, it is possible to automatically detect and bridge gaps in material flow in
intervals of seconds.
• No material deposits or buildup may form on the measuring cell surface, as this would
falsify the readings.
Longer averaging times increase the stability of the measured value.
5.2 Round sensor, short/middle
The round sensor, short / middle version, can be mounted with a mounting flange.
1
2
3
A0037422
3 Round sensor mounted, rear view
1 Vessel wall
2 Mounting flange
3 Round sensor, short / middle
The mounting flange for the round sensor, short version or for the round sensor, middle
version can be mounted on the floor or on the side wall of the vessel.
Solitrend MMP42 Mounting
Endress+Hauser 11
86 (3.39)
86 (3.39)
!132 (5.2)
150 (5.91)
!108 (4.25)
10 (0.39)
!6.5 (0.26)
6
A0037423
4 Mounting flange for round sensor, short version or round sensor, middle version. Unit of
measurement mm (in)
The mounting flange serves as a template for the mounting bore holes and the cut-out for
the sensor at the mounting location:
1. Check the fit between the sensor and mounting flange
2. Make the cut-out for the sensor at the mounting location
3. Mount the sensor and align it
The surface of the measuring cell is flush-fitted on the material side
20 (0.79)
8 (0.31)
6
A0044393
5 Mounting position, mounting flange and round sensor. Unit of measurement mm (in)
5.3 Rectangular sensor
The rectangular sensor can be installed with four screws (M8).
An appropriate cut-out must be created at the place of installation for the measuring cell
and bores to secure it.
Mounting Solitrend MMP42
12 Endress+Hauser
45 (1.77)
36 (1.42)
90 (3.54)
135 (5.31)
!8.5 (0.33)
12.5 (0.49)
15 (0.59)
20 (0.79)
40 (1.57)
25 (0.98)
60 (2.36)
7.5 (0.3)
7.5 (0.3)
120 (4.72)
A0037426
6 Dimensions. Unit of measurement mm (in)
5.4 ATEX electronics housing
100 (3.94)
150 (5.91)
61 (2.4)
A0053050
7 Dimension of ATEX electronics housing. Unit of measurement mm (in)
Solitrend MMP42 Mounting
Endress+Hauser 13
5.5 Protection of sensor connector against abrasion
If sand and gravel can come into contact with the sensor connector when they flow over
the baffle plate, it is recommended to mount an additional protective guard on the sensor
connector.
1. The heat-shrink tube supplied with the cable can be used to provide this protection.
A0037427
8 Example of round sensor
2. Once the sensor has been installed and the sensor cable connected, the heat-shrink
tube can be shrunk onto the connector and cable with a hot air blower
A0037428
9 Example of round sensor
3. In addition, the sensor and ground cable can be protected with a silicone tube (not
included in the delivery)
A0037429
10 Example of round sensor
5.6 Mounting the housing with the remote electronics
module
The housing with the remote electronics module can be mounted with two screws (M5).
Mounting Solitrend MMP42
14 Endress+Hauser
163 (6.42)
52 (2.05)
!8 (0.31)
A0046898
11 Mounting stencil for housing with remote electronics module. Unit of measurement mm (in)
5.7 Post-mounting check
Perform the following checks after mounting the device:
Is the device undamaged (visual inspection)?
If provided: are the measuring point number and labeling correct?
Are the connections established correctly and protected against mechanical influences?
If used: is the device securely positioned in the mounting flange / mounting frame
(visual inspection)?
Is the device securely mounted and is the measuring cell surface flush on the material
side (visual inspection)?
Is sufficient material coverage / material flow over the measurement surface ensured?
Solitrend MMP42 Electrical connection
Endress+Hauser 15
6 Electrical connection
6.1 Connecting requirements
6.1.1 Cable specification
Connecting cables are available in different versions and lengths (depending on design).
Device with 10-pin connector
Connecting cables with a pre-assembled 10-pin socket on the device side are available in
different standard lengths:
• 4 m (13 ft)
• 10 m (32 ft)
• 25 m (82 ft)
UNITRONIC PUR CP shielded cable, twisted pairs 6 × 2 × 0.25 mm2, PUR sheath resistant
to oils and chemicals.
Rectangular sensors
Standard lengths (fixed cable):
• 5 m (16 ft)
• Cable lengths of 1 to 100 m (3 to 328 ft) are possible upon request
UNITRONIC PUR CP shielded cable, 10 × 0.25 mm2, PUR sheath resistant to oils and
chemicals.
6.2 Connecting the measuring device
6.2.1 Terminal assignment
Round sensors
Round sensors are supplied as standard with a 10-pin connector with IP67 protection.
In the high-temperature version 0 to 120 °C (32 to 248 °F), the sensor is separated
from the electronics unit via a HF cable. The electronics housing is equipped on both
sides with connectors with IP67 protection.
Electrical connection Solitrend MMP42
16 Endress+Hauser
AB
C
D
E
F
G
H
J
K
A0037415
12 Assignment of the 10-pin connector
A 12 to 24 VDC stabilized power supply
Wire color: red (RD)
B 0 VDC power supply
Wire color: blue (BU)
D 1st analog positive (+), material moisture
Wire color: green (GN)
E 1st analog return line (-), material moisture
Wire color: yellow (YE)
F RS485 A (must be enabled)
Wire color: white (WH)
G RS485 B (must be enabled)
Wire color: brown (BN)
C IMP-Bus RT
Wire color: gray (GY)/pink (PK)
J IMP-Bus COM
Wire color: blue (BU)/red (RD)
K 2nd analog positive (+)
Wire color: pink (PK)
E 2nd analog return line (-)
Wire color: gray (GY)
H Shield (is grounded at the sensor. The installation must be grounded correctly!)
Wire color: transparent
Rectangular sensors
Standard version of rectangular sensor:
• Cable length: 5 m (16 ft) (10-pin)
• The cable is firmly connected to the sensor
• The other end of the cable is fitted with ferrules
In the high-temperature version 0 to 120 °C (32 to 248 °F), the sensor is separated
from the electronics unit via a HF cable. The electronics housing is equipped on both
sides with connectors with IP67 protection.
Solitrend MMP42 Electrical connection
Endress+Hauser 17
1
2
A0041156
13 Rectangular sensor (standard version) with 10-pin cable assignment
1 10-pin cable with ferrules
- 12 to 24 VDC stabilized power supply
Wire color: white (WH)
- 0 VDC power supply
Wire color: brown (BN)
- 1st analog positive (+), material moisture
Wire color: green (GN)
- 1st analog return line (-), material moisture
Wire color: yellow (YE)
- IMP-Bus RT
Wire color: pink (PK)
- IMP-Bus COM
Wire color: gray (GY)
- 2nd analog positive (+)
Wire color: blue (BU)
- 2nd analog return line (-)
Wire color: violet (VT)
2 Rectangular sensor
ATEX rectangular sensors
ATEX version
Rectangular sensor
• Cable length between sensor and ATEX electronics housing 5 m (16 ft)
• Cable firmly connected to the sensor with plug to the ATEX electronics housing
ATEX electronics housing
• Cable length: 5 m (16 ft) (10-pin)
• The cable is firmly connected to the electronics housing
• The other end of the cable is fitted with ferrules
Electrical connection Solitrend MMP42
18 Endress+Hauser
1
2
A0053676
14 ATEX electronics housing with assignment of the 10-pin cable
1 10-pin cable with ferrules
- 12 to 24 VDC stabilized power supply
Wire color: red (RD)
- 0 VDC power supply
Wire color: blue (BU)
- 1st analog positive (+), material moisture
Wire color: green (GN)
- 1st analog return line (-), material moisture
Wire color: yellow (YE)
- IMP-Bus RT
Wire color: gray/pink (GY/PK)
- IMP-Bus COM
Wire color: blue/red (BU/RD)
- 2nd analog positive (+)
Wire color: pink (PK)
- 2nd analog return line (-)
Wire color: gray (GY)
2 Rectangular sensor
Connection to a remote display (optional)
1234
AB
C
A0040962
15 Connection to a remote display
A USB (Mini B type), USB-IMP-Bridge, firmware update (only for service purposes)
B Socket for supply voltage and bus interface
C Connector for supply voltage and bus interface (included in the delivery for "remote display")
1 0 VDC power supply
Wire color: blue (BU)
2 12 to 24 VDC stabilized power supply
Wire color: red (RD)
3 IMP-Bus (RT)
Wire color: gray (GY) / pink (PK)
4 IMP-Bus (COM)
Wire color: blue (BU) / red (RD)
Solitrend MMP42 Electrical connection
Endress+Hauser 19
6.2.2 Connection example of 10-pin socket
6 7 8
5
2
14
3
2
1
2
1
3
4
34
A
B
C
12
A0037418
16 Connection example, cable with 10-pin socket (on device side) and wire end ferrules at the cable end
A Transmitter
B PLC/distribution box
C Remote display (optional)
1 0 VDC power supply
Wire color: blue (BU)
2 12 to 24 VDC stabilized power supply
Wire color: red (RD)
3 IMP-Bus RT
Wire color: gray (GY)/pink (PK)
4 IMP-Bus COM
Wire color: blue (BU)/red (RD)
5 1st current output (+), analog
Wire color: green (GN)
6 1st current output (-), analog
Wire color: yellow (YE)
7 2nd current output (+), analog
Wire color: pink (PK)
8 2nd current output (-), analog
Wire color: gray (GY)
The moisture content determined and the conductivity/temperature can either be fed
directly into a PLC via analog outputs 0 to 20 mA/4 to 20 mA or queried via the serial
interface (IMP-Bus) using the display (optional).
6.3 Post-connection check
Is the device or cable undamaged (visual inspection)?
Does the supply voltage match the specifications on the nameplate?
Are the connections established correctly and protected against mechanical influences?
Operating options Solitrend MMP42
20 Endress+Hauser
7 Operating options
123
4
5
6
7
IMP-Bus
RS485
A0040211
17 Overview
1 Round sensor, short
2 Round sensor, middle
3 Rectangular sensor
4 Remote display
5 Computer
6 LED display
7 PLC or water dosing computer
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